GB2177576A - Multi-channel reproducing system - Google Patents

Multi-channel reproducing system Download PDF

Info

Publication number
GB2177576A
GB2177576A GB08613565A GB8613565A GB2177576A GB 2177576 A GB2177576 A GB 2177576A GB 08613565 A GB08613565 A GB 08613565A GB 8613565 A GB8613565 A GB 8613565A GB 2177576 A GB2177576 A GB 2177576A
Authority
GB
United Kingdom
Prior art keywords
phase
reproducing system
frequency
channel
characteristic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB08613565A
Other languages
English (en)
Other versions
GB2177576B (fr
GB8613565D0 (en
Inventor
Noboru Tominari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynavector Inc
Original Assignee
Dynavector Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dynavector Inc filed Critical Dynavector Inc
Publication of GB8613565D0 publication Critical patent/GB8613565D0/en
Publication of GB2177576A publication Critical patent/GB2177576A/en
Application granted granted Critical
Publication of GB2177576B publication Critical patent/GB2177576B/en
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
GB08613565A 1985-06-07 1986-06-04 Multi-channel reproducing system Granted GB2177576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60123630A JPS61281799A (ja) 1985-06-07 1985-06-07 音声信号再生方式

Publications (3)

Publication Number Publication Date
GB8613565D0 GB8613565D0 (en) 1986-07-09
GB2177576A true GB2177576A (en) 1987-01-21
GB2177576B GB2177576B (fr) 1989-07-26

Family

ID=14865340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08613565A Granted GB2177576A (en) 1985-06-07 1986-06-04 Multi-channel reproducing system

Country Status (5)

Country Link
US (1) US4873722A (fr)
JP (1) JPS61281799A (fr)
AU (1) AU5830686A (fr)
DE (1) DE3619031A1 (fr)
GB (1) GB2177576A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202111A (en) * 1987-03-04 1988-09-14 Dynavector Inc Reverb generator
AT391389B (de) * 1988-10-24 1990-09-25 Akg Akustische Kino Geraete Elektroakustische anordnung zur darbietung von audiosignalen fuer das richtungsorientierte raeumliche hoeren bei binauraler wiedergabe
GB2311706A (en) * 1996-03-26 1997-10-01 Central Research Lab Ltd Binaural sound systems
WO2001022772A1 (fr) 1999-09-20 2001-03-29 Mass Enterprises Pty Ltd Procede et appareil de traitement d'un signal audio

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2901240B2 (ja) * 1987-04-13 1999-06-07 ダイナベクター 株式会社 リバーブ発生装置
US5023914A (en) * 1988-03-11 1991-06-11 Bose Corporation Acoustical frequency response improving with non-minimum phase circuitry
BG60225B2 (en) * 1988-09-02 1993-12-30 Q Sound Ltd Method and device for sound image formation
JP2580774B2 (ja) * 1989-05-15 1997-02-12 ヤマハ株式会社 楽音合成装置
JP3068635B2 (ja) * 1990-08-31 2000-07-24 パイオニア株式会社 スピーカ装置
CA2098319C (fr) * 1990-12-14 2000-01-25 Eldon A. Byrd Processeur a signaux servant a restituer les signaux audio d'origine
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
CA2067414A1 (fr) * 1991-05-03 1992-11-04 Bill Sacks Systeme psychoacoustique de retour pseudostereophonique
US5180990A (en) * 1991-08-20 1993-01-19 Saburoh Ohkuma Equalizer circuit, high fidelity regenerative amplifier including equalizer circuit and acoustic characteristic correction circuit in high fidelity regenerative amplifier
US5425106A (en) * 1993-06-25 1995-06-13 Hda Entertainment, Inc. Integrated circuit for audio enhancement system
DE69533973T2 (de) * 1994-02-04 2005-06-09 Matsushita Electric Industrial Co., Ltd., Kadoma Schallfeldkontrollegerät und Kontrolleverfahren
US5586194A (en) * 1994-03-31 1996-12-17 Peavey Electronics Corporation Augmentation amplifier
US5912975A (en) * 1995-06-30 1999-06-15 Philips Electronics North America Corp Method and circuit for creating phantom sources using phase shifting circuitry
DE19951406B4 (de) * 1999-10-01 2004-12-02 Martin Kling Lautsprecherkombination
ATE387074T1 (de) * 1999-10-01 2008-03-15 Freitag Juergen Lautsprecherkombination
US20050286727A1 (en) * 2004-06-25 2005-12-29 Victor Company Of Japan, Ltd. Apparatus for expanding sound image upward
US7370575B2 (en) * 2005-06-15 2008-05-13 Deere & Company Crop re-hydration system carried by a large square baler
US10477314B2 (en) 2017-03-20 2019-11-12 Bambu Tech, Inc. Dynamic audio enhancement using an all-pass filter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB916843A (en) * 1958-01-24 1963-01-30 Emi Ltd Improvements relating to radio telegraph receivers
GB1578854A (en) * 1976-02-27 1980-11-12 Victor Company Of Japan Stereophonic sound reproduction system
GB1579571A (en) * 1976-03-15 1980-11-19 Itx Ltd Signal processing method and apparatus
US4349698A (en) * 1979-06-19 1982-09-14 Victor Company Of Japan, Limited Audio signal translation with no delay elements

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560656A (en) * 1967-05-01 1971-02-02 Dictaphone Corp Binaural phase differential system
US3670106A (en) * 1970-04-06 1972-06-13 Parasound Inc Stereo synthesizer
ZA717379B (en) * 1970-11-09 1972-07-26 Pioneer Electronic Corp A reproducing device for artificial four channel stereo
JPS5547797A (en) * 1978-10-03 1980-04-04 Nissan Motor Co Ltd Audio equipment for vehicle
US4603429A (en) * 1979-04-05 1986-07-29 Carver R W Dimensional sound recording and apparatus and method for producing the same
US4303800A (en) * 1979-05-24 1981-12-01 Analog And Digital Systems, Inc. Reproducing multichannel sound
US4308424A (en) * 1980-04-14 1981-12-29 Bice Jr Robert G Simulated stereo from a monaural source sound reproduction system
JPS5818840A (ja) * 1981-07-28 1983-02-03 Nec Corp マイクロ波管装置
AT379275B (de) * 1982-04-20 1985-12-10 Neutrik Ag Stereophone wiedergabeanlage in fahrgastraeumen von kraftfahrzeugen
US4566119A (en) * 1983-10-12 1986-01-21 Industrial Products, Inc. Equalizer networks and methods of developing scaling coefficients therefor
US4653096A (en) * 1984-03-16 1987-03-24 Nippon Gakki Seizo Kabushiki Kaisha Device for forming a simulated stereophonic sound field
US4706287A (en) * 1984-10-17 1987-11-10 Kintek, Inc. Stereo generator
JPS61244200A (ja) * 1985-04-20 1986-10-30 Nissan Motor Co Ltd 音場改善装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB916843A (en) * 1958-01-24 1963-01-30 Emi Ltd Improvements relating to radio telegraph receivers
GB1578854A (en) * 1976-02-27 1980-11-12 Victor Company Of Japan Stereophonic sound reproduction system
GB1579571A (en) * 1976-03-15 1980-11-19 Itx Ltd Signal processing method and apparatus
US4349698A (en) * 1979-06-19 1982-09-14 Victor Company Of Japan, Limited Audio signal translation with no delay elements

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202111A (en) * 1987-03-04 1988-09-14 Dynavector Inc Reverb generator
US4955057A (en) * 1987-03-04 1990-09-04 Dynavector, Inc. Reverb generator
GB2202111B (en) * 1987-03-04 1991-03-06 Dynavector Inc Reverb generator
AT391389B (de) * 1988-10-24 1990-09-25 Akg Akustische Kino Geraete Elektroakustische anordnung zur darbietung von audiosignalen fuer das richtungsorientierte raeumliche hoeren bei binauraler wiedergabe
GB2311706A (en) * 1996-03-26 1997-10-01 Central Research Lab Ltd Binaural sound systems
GB2311706B (en) * 1996-03-26 1998-06-03 Central Research Lab Ltd Apparatus for processing binaural signals
WO2001022772A1 (fr) 1999-09-20 2001-03-29 Mass Enterprises Pty Ltd Procede et appareil de traitement d'un signal audio
EP1219134A1 (fr) * 1999-09-20 2002-07-03 Mass Enterprise Pty Ltd Procede et appareil de traitement d'un signal audio
EP1219134A4 (fr) * 1999-09-20 2007-08-01 Mass Entpr Pty Ltd Procede et appareil de traitement d'un signal audio

Also Published As

Publication number Publication date
DE3619031A1 (de) 1986-12-11
DE3619031C2 (fr) 1988-09-15
GB2177576B (fr) 1989-07-26
AU5830686A (en) 1986-12-11
US4873722A (en) 1989-10-10
GB8613565D0 (en) 1986-07-09
JPH0553358B2 (fr) 1993-08-09
JPS61281799A (ja) 1986-12-12

Similar Documents

Publication Publication Date Title
GB2177576A (en) Multi-channel reproducing system
US4841572A (en) Stereo synthesizer
US3745254A (en) Synthesized four channel stereo from a two channel source
US4308424A (en) Simulated stereo from a monaural source sound reproduction system
GB2074427A (en) Acoustic apparatus
US4151369A (en) Sound reproduction systems
DK0919109T3 (da) Tokanalsoptagelses- og afspilningssystem til frembringelse af en holofonisk gengivelse af lyde
Jecklin A different way to record classical music
US4352953A (en) Multichannel non-discrete audio reproduction system
JPH01198818A (ja) 車載音響再生装置における自動ラウドネス補償装置
US2846519A (en) Apparatus for pseudo-stereophonic sound reproduction
US3087988A (en) Simulated stereophonic sound translating and recording system
US4509185A (en) Time domain audio panner
US4843625A (en) Sound reproduction systems
JPH0724440B2 (ja) オ−デイオ信号伝送システム
US3911370A (en) Audio frequency amplitude compensator
JP2901240B2 (ja) リバーブ発生装置
Fletcher Stereophonic reproduction from film
US5539833A (en) Audio signal amplifier device
US3059053A (en) Stereophonic sound transmission systems
CA1041913A (fr) Circuits de compensation de haut-parleur
AU658034B2 (en) Stereo synthesizer
JPS6146700A (ja) 疑似ステレオ再生回路
JP2514847Y2 (ja) 増幅器
JPH0380400B2 (fr)

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20060603